[REN-BGP-stats-all] Global R&E Routing Table Report - Internet2 R&E view
REN Routing Table Report
cscora at frr.nsrc.org
Fri Nov 5 22:00:36 UTC 2021
Global R&E Routing Table Report 22:00 GMT Fri 05 Nov, 2021
Report Website: https://bgp.nsrc.org/REN
Detailed Analysis: https://bgp.nsrc.org/REN/Internet2/
Analysis Summary
----------------
BGP routing table entries examined: 21549
Prefixes after maximum aggregation (per Origin AS): 11789
Deaggregation factor: 1.83
Unique aggregates announced (without unneeded subnets): 14075
Total ASes present in the Internet Routing Table: 2668
Prefixes per ASN: 8.08
Origin-only ASes present in the Internet Routing Table: 2304
Origin ASes announcing only one prefix: 1052
Transit ASes present in the Internet Routing Table: 364
Transit-only ASes present in the Internet Routing Table: 49
Average AS path length visible in the Internet Routing Table: 3.4
Max AS path length visible: 14
Max AS path prepend of ASN ( 10497) 11
Prefixes from unregistered ASNs in the Routing Table: 19
Number of instances of unregistered ASNs: 19
Number of 32-bit ASNs allocated by the RIRs: 37759
Number of 32-bit ASNs visible in the Routing Table: 596
Prefixes from 32-bit ASNs in the Routing Table: 1782
Number of bogon 32-bit ASNs visible in the Routing Table: 0
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 7
Number of addresses announced to Internet: 241697784
Equivalent to 14 /8s, 104 /16s and 3 /24s
Percentage of available address space announced: 6.5
Percentage of allocated address space announced: 6.5
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 99.5
Total number of prefixes smaller than registry allocations: 2887
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 4721
Total APNIC prefixes after maximum aggregation: 2321
APNIC Deaggregation factor: 2.03
Prefixes being announced from the APNIC address blocks: 4765
Unique aggregates announced from the APNIC address blocks: 2684
APNIC Region origin ASes present in the Internet Routing Table: 584
APNIC Prefixes per ASN: 8.16
APNIC Region origin ASes announcing only one prefix: 250
APNIC Region transit ASes present in the Internet Routing Table: 64
Average APNIC Region AS path length visible: 4.2
Max APNIC Region AS path length visible: 12
Number of APNIC region 32-bit ASNs visible in the Routing Table: 225
Number of APNIC addresses announced to Internet: 46031424
Equivalent to 2 /8s, 190 /16s and 98 /24s
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319,
58368-59391, 63488-64098, 64297-64395, 131072-151865
APNIC Address Blocks 1/8, 14/8, 27/8, 36/8, 39/8, 42/8, 43/8,
49/8, 58/8, 59/8, 60/8, 61/8, 101/8, 103/8,
106/8, 110/8, 111/8, 112/8, 113/8, 114/8, 115/8,
116/8, 117/8, 118/8, 119/8, 120/8, 121/8, 122/8,
123/8, 124/8, 125/8, 126/8, 133/8, 150/8, 153/8,
163/8, 171/8, 175/8, 180/8, 182/8, 183/8, 202/8,
203/8, 210/8, 211/8, 218/8, 219/8, 220/8, 221/8,
222/8, 223/8,
ARIN Region Analysis Summary
----------------------------
Prefixes being announced by ARIN Region ASes: 11246
Total ARIN prefixes after maximum aggregation: 6121
ARIN Deaggregation factor: 1.84
Prefixes being announced from the ARIN address blocks: 11158
Unique aggregates announced from the ARIN address blocks: 7587
ARIN Region origin ASes present in the Internet Routing Table: 1212
ARIN Prefixes per ASN: 9.21
ARIN Region origin ASes announcing only one prefix: 426
ARIN Region transit ASes present in the Internet Routing Table: 157
Average ARIN Region AS path length visible: 3.0
Max ARIN Region AS path length visible: 13
Number of ARIN region 32-bit ASNs visible in the Routing Table: 155
Number of ARIN addresses announced to Internet: 131334072
Equivalent to 7 /8s, 211 /16s and 255 /24s
ARIN AS Blocks 1-1876, 1902-2042, 2044-2046, 2048-2106
(pre-ERX allocations) 2138-2584, 2615-2772, 2823-2829, 2880-3153
3354-4607, 4865-5119, 5632-6655, 6912-7466
7723-8191, 10240-12287, 13312-15359, 16384-17407
18432-20479, 21504-23551, 25600-26591,
26624-27647, 29696-30719, 31744-33791
35840-36863, 39936-40959, 46080-47103
53248-55295, 62464-63487, 64198-64296, 393216-401308
ARIN Address Blocks 3/8, 4/8, 6/8, 7/8, 8/8, 9/8, 11/8,
12/8, 13/8, 15/8, 16/8, 17/8, 18/8, 19/8,
20/8, 21/8, 22/8, 23/8, 24/8, 26/8, 28/8,
29/8, 30/8, 32/8, 33/8, 34/8, 35/8, 38/8,
40/8, 44/8, 47/8, 48/8, 50/8, 52/8, 53/8,
54/8, 55/8, 56/8, 57/8, 63/8, 64/8, 65/8,
66/8, 67/8, 68/8, 69/8, 70/8, 71/8, 72/8,
73/8, 74/8, 75/8, 76/8, 96/8, 97/8, 98/8,
99/8, 100/8, 104/8, 107/8, 108/8, 128/8, 129/8,
130/8, 131/8, 132/8, 134/8, 135/8, 136/8, 137/8,
138/8, 139/8, 140/8, 142/8, 143/8, 144/8, 146/8,
147/8, 148/8, 149/8, 152/8, 155/8, 156/8, 157/8,
158/8, 159/8, 160/8, 161/8, 162/8, 164/8, 165/8,
166/8, 167/8, 168/8, 169/8, 170/8, 172/8, 173/8,
174/8, 184/8, 192/8, 198/8, 199/8, 204/8, 205/8,
206/8, 207/8, 208/8, 209/8, 214/8, 215/8, 216/8,
RIPE Region Analysis Summary
----------------------------
Prefixes being announced by RIPE Region ASes: 3174
Total RIPE prefixes after maximum aggregation: 2564
RIPE Deaggregation factor: 1.24
Prefixes being announced from the RIPE address blocks: 3224
Unique aggregates announced from the RIPE address blocks: 2708
RIPE Region origin ASes present in the Internet Routing Table: 587
RIPE Prefixes per ASN: 5.49
RIPE Region origin ASes announcing only one prefix: 284
RIPE Region transit ASes present in the Internet Routing Table: 94
Average RIPE Region AS path length visible: 3.7
Max RIPE Region AS path length visible: 14
Number of RIPE region 32-bit ASNs visible in the Routing Table: 113
Number of RIPE addresses announced to Internet: 57517024
Equivalent to 3 /8s, 109 /16s and 163 /24s
RIPE AS Blocks 1877-1901, 2043, 2047, 2107-2136, 2585-2614
(pre-ERX allocations) 2773-2822, 2830-2879, 3154-3353, 5377-5631
6656-6911, 8192-9215, 12288-13311, 15360-16383
20480-21503, 24576-25599, 28672-29695
30720-31743, 33792-35839, 38912-39935
40960-45055, 47104-52223, 56320-58367
59392-61439, 61952-62463, 64396-64495
196608-213403
RIPE Address Blocks 2/8, 5/8, 25/8, 31/8, 37/8, 46/8, 51/8,
62/8, 77/8, 78/8, 79/8, 80/8, 81/8, 82/8,
83/8, 84/8, 85/8, 86/8, 87/8, 88/8, 89/8,
90/8, 91/8, 92/8, 93/8, 94/8, 95/8, 109/8,
141/8, 145/8, 151/8, 176/8, 178/8, 185/8, 188/8,
193/8, 194/8, 195/8, 212/8, 213/8, 217/8,
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 1544
Total LACNIC prefixes after maximum aggregation: 618
LACNIC Deaggregation factor: 2.50
Prefixes being announced from the LACNIC address blocks: 1550
Unique aggregates announced from the LACNIC address blocks: 863
LACNIC Region origin ASes present in the Internet Routing Table: 181
LACNIC Prefixes per ASN: 8.56
LACNIC Region origin ASes announcing only one prefix: 70
LACNIC Region transit ASes present in the Internet Routing Table: 25
Average LACNIC Region AS path length visible: 4.1
Max LACNIC Region AS path length visible: 12
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 78
Number of LACNIC addresses announced to Internet: 4078880
Equivalent to 0 /8s, 62 /16s and 61 /24s
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
61440-61951, 64099-64197, 262144-272796 + ERX transfers
LACNIC Address Blocks 177/8, 179/8, 181/8, 186/8, 187/8, 189/8, 190/8,
191/8, 200/8, 201/8,
AfriNIC Region Analysis Summary
-------------------------------
Prefixes being announced by AfriNIC Region ASes: 845
Total AfriNIC prefixes after maximum aggregation: 159
AfriNIC Deaggregation factor: 5.31
Prefixes being announced from the AfriNIC address blocks: 845
Unique aggregates announced from the AfriNIC address blocks: 226
AfriNIC Region origin ASes present in the Internet Routing Table: 50
AfriNIC Prefixes per ASN: 16.90
AfriNIC Region origin ASes announcing only one prefix: 22
AfriNIC Region transit ASes present in the Internet Routing Table: 11
Average AfriNIC Region AS path length visible: 3.5
Max AfriNIC Region AS path length visible: 10
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 25
Number of AfriNIC addresses announced to Internet: 2734592
Equivalent to 0 /8s, 41 /16s and 186 /24s
AfriNIC AS Blocks 36864-37887, 327680-329727 & ERX transfers
AfriNIC Address Blocks 41/8, 45/8, 102/8, 105/8, 154/8, 196/8, 197/8,
APNIC Region per AS prefix count summary
----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
2907 621 2157 457 SINET-AS Research Organization of Infor
7497 430 182 24 CSTNET-AS-AP Computer Network Informati
1237 188 74 135 KREONET-AS-KR KISTI, KR
58647 176 18 2 KAGAWAU-AS Kagawa University, JP
7575 175 329 121 AARNET-AS-AP Australian Academic and Re
4538 127 4192 72 ERX-CERNET-BKB China Education and Rese
55824 113 18 10 NKN-CORE-NW NKN Core Network, IN
4621 80 37 10 UNINET-AS-AP UNINET-, TH
4762 65 4 1 MAHIDOL-BORDER-AS Mahidol University, T
23570 59 5 11 INCHEON-AS-KR UNIVERSITY OF INCHEON, KR
Complete listing at https://bgp.nsrc.org/REN/Internet2/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
16509 2690 4482 1005 AMAZON-02, US
14618 540 3985 411 AMAZON-AES, US
668 207 700 178 DNIC-AS-00668, US
376 205 179 154 RISQ-AS, CA
5786 201 16 1 UPRENET, PR
2152 156 507 85 CSUNET-NW, US
18558 137 18 4 NETBLK-RCOEK, US
1 120 1 41 LVLT-1, US
270 119 329 88 AS270, US
2920 112 34 6 LACOE, US
Complete listing at https://bgp.nsrc.org/REN/Internet2/data-ASnet-ARIN
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
680 276 1998 238 DFN Verein zur Foerderung eines Deutsch
786 186 1774 183 JANET Jisc Services Limited, GB
8895 175 24 3 ISU Internet Services Unit ISU, SA
559 115 550 106 SWITCH Peering requests: peering at switch
1103 96 1520 85 SURFNET-NL SURFnet, The Netherlands, NL
137 82 677 77 ASGARR Consortium GARR, IT
553 72 449 72 BELWUE BelWue-Koordination, DE
2200 67 647 61 FR-RENATER Reseau National de telecommu
2614 59 33 57 ROEDUNET, RO
1930 57 81 52 RCCN Fundacao para a Ciencia e a Tecnol
Complete listing at https://bgp.nsrc.org/REN/Internet2/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
1916 198 207 41 Associacao Rede Nacional de Ensino e Pe
28391 152 10 66 Universidad Juarez Autonoma de Tabasco,
11340 94 24 54 Red Universitaria Nacional, CL
1251 65 37 20 FUNDACAO DE AMPARO A PESQUISA DO ESTADO
2715 60 102 40 Fundacao Carlos Chagas Filho de Amparo
52286 53 4 31 Columbus Networks Guatemala, GT
19611 45 17 2 Associacao Antonio Vieira - Unisinos, B
61468 45 3 15 CEDIA, EC
4270 43 16 1 Red de Interconexion Universitaria, AR
28614 38 2 2 Fundacao Universidade Regional de Blume
Complete listing at https://bgp.nsrc.org/REN/Internet2/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
2018 341 319 73 TENET-1, ZA
327687 138 28 3 RENU, UG
36914 100 82 3 KENET-AS, KE
8094 50 48 4 PUKNET, ZA
327700 34 16 1 MoRENet, MZ
37215 33 8 1 MAREN, MW
6879 24 2 9 ENSTINET-, EG
37182 14 8 1 TERNET, TZ
37074 11 8 2 UG-AS, GH
37501 11 49 6 UOFS, ZA
Complete listing at https://bgp.nsrc.org/REN/Internet2/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
16509 2690 4482 1005 AMAZON-02, US
2907 621 2157 457 SINET-AS Research Organization of Infor
14618 540 3985 411 AMAZON-AES, US
7497 430 182 24 CSTNET-AS-AP Computer Network Informati
2018 341 319 73 TENET-1, ZA
680 276 1998 238 DFN Verein zur Foerderung eines Deutsch
668 207 700 178 DNIC-AS-00668, US
376 205 179 154 RISQ-AS, CA
5786 201 16 1 UPRENET, PR
1916 198 207 41 Associacao Rede Nacional de Ensino e Pe
Complete listing at https://bgp.nsrc.org/REN/Internet2/data-ASnet
Global Per AS Maximum Aggregation summary
-----------------------------------------
ASN No of nets Net Savings Description
7497 430 406 CSTNET-AS-AP Computer Network Information Cente
2018 341 268 TENET-1, ZA
5786 201 200 UPRENET, PR
58647 176 174 KAGAWAU-AS Kagawa University, JP
8895 175 172 ISU Internet Services Unit ISU, SA
2907 621 164 SINET-AS Research Organization of Information a
1916 198 157 Associacao Rede Nacional de Ensino e Pesquisa,
327687 138 135 RENU, UG
18558 137 133 NETBLK-RCOEK, US
14618 540 129 AMAZON-AES, US
Complete listing at https://bgp.nsrc.org/REN/Internet2/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Net Originated Transit AS Transit AS Name
14822 UNALLOCATED 140.163.0.0/16 10466 MAGPI, US
14822 UNALLOCATED 140.163.0.0/17 10466 MAGPI, US
14822 UNALLOCATED 140.163.6.0/24 10466 MAGPI, US
14822 UNALLOCATED 140.163.64.0/24 10466 MAGPI, US
14822 UNALLOCATED 140.163.70.0/24 10466 MAGPI, US
14822 UNALLOCATED 140.163.128.0/17 10466 MAGPI, US
22063 UNALLOCATED 153.10.0.0/16 2152 CSUNET-NW, US
394784 UNALLOCATED 192.107.242.0/24 40831 PHS, US
19658 UNALLOCATED 199.27.241.0/24 11096 FLORIDANET, US
396334 UNALLOCATED 205.143.136.0/21 5078 ONENET-AS-1, US
Complete listing at https://bgp.nsrc.org/REN/Internet2/data-badAS
Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------
Prefix Origin AS Description
192.88.99.0/24 1103 SURFNET-NL SURFnet, The Netherlands, NL
Complete listing at https://bgp.nsrc.org/REN/Internet2/data-dsua
Advertised Unallocated Addresses
--------------------------------
Unassigned Network ASN Information AS Name
103.151.24.0/24 Origin: 16509 AMAZON-02, US
103.151.24.0/24 Transit: 11537 INTERNET2-RESEARCH-EDU, US
192.31.196.0/24 Origin: 112 UNASSIGNED
192.31.196.0/24 Transit: 1103 SURFNET-NL SURFnet, The Netherlands, NL
192.88.99.0/24 Origin: 1103 SURFNET-NL SURFnet, The Netherlands, NL
192.88.99.0/24 Transit: 20965 GEANT The GEANT IP Service, NL
192.107.242.0/24 Origin: 394784 UNASSIGNED
192.107.242.0/24 Transit: 40831 PHS, US
198.135.168.0/24 Origin: 14618 AMAZON-AES, US
198.135.168.0/24 Transit: 16509 AMAZON-02, US
Complete listing at https://bgp.nsrc.org/REN/Internet2/data-add-IANA
Number of prefixes announced per prefix length (Global)
-------------------------------------------------------
/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:0 /9:1 /10:2 /11:3 /12:17
/13:25 /14:60 /15:172 /16:2086 /17:444 /18:455
/19:580 /20:940 /21:953 /22:1521 /23:1635 /24:12336
/25:78 /26:68 /27:123 /28:1 /29:49 /30:0
/31:0 /32:0
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
16509 705 2690 AMAZON-02, US
14618 178 540 AMAZON-AES, US
8895 170 175 ISU Internet Services Unit ISU, SA
36914 86 100 KENET-AS, KE
23024 53 56 OCDE, US
1 35 120 LVLT-1, US
28614 32 38 Fundacao Universidade Regional de Blumenau, BR
25977 31 45 HCCS, US
263282 30 37 FUNDACAO UNIVERSIDADE DO OESTE DE SANTA CATARIN
327700 30 34 MoRENet, MZ
Complete listing at https://bgp.nsrc.org/REN/Internet2/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:5 3:79 4:2 5:16 6:4 8:2
12:1 13:165 14:84 15:33 16:2 18:44
23:33 24:6 31:6 37:6 38:9 41:145
42:8 44:5 45:73 46:8 47:1 49:10
50:5 52:668 54:179 58:1 59:20 60:4
61:3 62:5 63:38 64:125 65:5 66:54
67:60 68:18 69:47 70:9 71:17 72:16
74:40 75:128 76:164 77:8 78:3 79:10
80:10 81:26 82:3 83:7 84:9 85:23
87:1 88:1 89:12 91:51 93:19 94:4
95:4 96:6 97:1 98:11 99:181 101:6
102:15 103:335 104:47 106:1 107:8 108:19
109:8 110:3 111:20 112:4 114:23 116:5
117:61 118:32 119:20 121:26 122:11 123:8
124:39 125:5 128:83 129:43 130:119 131:92
132:61 133:138 134:100 135:1 136:204 137:140
138:9 139:16 140:50 141:3 142:61 143:37
144:43 146:126 147:53 148:166 149:20 150:39
151:7 152:79 153:10 154:23 155:59 156:70
157:29 158:45 159:120 160:32 161:20 162:51
163:69 164:35 165:61 166:1 167:22 168:205
169:9 170:98 172:10 173:15 174:1 175:31
176:12 177:10 178:3 179:13 180:21 181:12
182:6 184:3 185:50 186:3 187:18 188:13
189:3 190:54 191:37 192:1465 193:206 194:103
195:61 196:180 197:5 198:494 199:307 200:250
201:39 202:644 203:426 204:347 205:199 206:204
207:191 208:83 209:133 210:184 211:14 212:171
213:11 214:7 216:139 217:13 218:25 219:8
220:17 222:5 223:2
End of report
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